--- a/Make.spec	Fri Jan 19 16:02:39 2018 +0100
+++ b/Make.spec	Fri Jan 19 17:02:34 2018 +0100
@@ -115,7 +115,6 @@
 	BuiltinLookup \
 	Character \
 	CharacterEncoderImplementations::FixedBytesEncoder \
-	CharacterEncoderImplementations::ISO10646_1 \
 	CharacterEncoderImplementations::VariableBytesEncoder \
 	CompiledCode \
 	ControlInterrupt \
@@ -510,7 +509,6 @@
     $(OUTDIR)BuiltinLookup.$(O) \
     $(OUTDIR)Character.$(O) \
     $(OUTDIR)CharacterEncoderImplementations__FixedBytesEncoder.$(O) \
-    $(OUTDIR)CharacterEncoderImplementations__ISO10646_1.$(O) \
     $(OUTDIR)CharacterEncoderImplementations__VariableBytesEncoder.$(O) \
     $(OUTDIR)CompiledCode.$(O) \
     $(OUTDIR)ControlInterrupt.$(O) \